Kia Engine Reference

Learn About Kia Engines

Explore Kia engine specifications, engine codes, vehicle applications, common symptoms, maintenance information and replacement engine options.

Browse by vehicle

Popular Kia Models

Optima / K5 Sorento Sportage Soul Forte Rio

Engine Database

G6CU

3.5 liters / approximately 3,497 cc 2006–2006

G6DA

3.8 liters / approximately 3,778 cc 2006–2006

G6BA

2.7 liters / approximately 2,656 cc 2006–2006

G6BA

2.7 liters / approximately 2,656 cc 2007–2007

G4KC

2.4 liters / approximately 2,359 cc 2007–2007

G6BA

2.7 liters / approximately 2,656 cc 2007–2007

Learn how to identify a Kia engine using the engine code, VIN, emissions label and vehicle application.

Review symptoms such as oil consumption, overheating, knocking, misfires and loss of compression.

Understand compatibility, mileage, warranty, core requirements and what to verify before ordering.